Some applications are not ready to handle multi plane
modifiers.
User who want this feature can use AMD_DEBUG=export_modifier
to enable it again.
Fixes: 0a266f0256 ("radeonsi: really support eglExportDMABUFImageQueryMESA")
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/13917
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37433>